1. Comprehensive jp8 mechanism for vitiated flows
REU Novel Advanced Materials 2010
Kelsey Hall, University of Pennsylvania

2. Purpose of research
Evaluate efficiency, combustion characteristics of commercial fuels
Energy Conservation
Environmental Concerns
JP8: Jet Propellant
Liquid hydrocarbon fuel
4 to 16 C

3. Long Term Objectives
Extend m-Xylene model to include low pressure parameters
Comprehensive chemical kinetic model of JP8 combustion
Conditions of jet engine afterburner

4. Immediate Objectives Optimize experimental setup Validate method
Isokinetic sampling
N2 shield
Validate method
Simple hydrocarbon fuels
Heptane modeling: more complex

5. Counterflow Diffusion Flat Flame Burner

6. Sampling Methods Silicon tube O.D.: 350 microns Quartz probe
O.D.: 3.5 mm

7. Flames
Methane
Heptane
Quartz probe
Silicon tube

8. Simulation Chemkin OPPDIF
Chemistry model ref. Brezinsky shock tube lab
OPPDIF user manual

9. CH4 Flame Results
Condition CH4 0.4L/min, N2(fuel side) 1.6L/min, O2 0.7L/min, N2 1L/min

10. Heptane Flame Results
N-heptane simulation using OPPSMOKE, mech. provided by Paolo Berta

11. Acknowledgements Professor K. Brezinsky, UIC
Xiao Fu, UIC: Mentoring graduate student
National Science Foundation and Department of Defense, EEC-NSF Grant #
US Air Force
Stephen Gardner, UIC
Paolo Berta, PhD UIC 2005
Prof. Takoudis and Prof. Jursich, UIC REU 2010